Cyperaceae taxon details
Carex hymenolepis Nees
1676451 (urn:lsid:marinespecies.org:taxname:1676451)
accepted
Species
terrestrial
Nees, C.G.D. (1834). Cyperaceae Indicae. <em>In Wight, R. (ed). Contributions to the Botany of India (Compositae, Asclepiadaceae and Cyperaceae).</em> No. III. Parburry, Allen & co., London.
page(s): 126 [details]
page(s): 126 [details]
Description Perennial. c. 30 cm. Rhizome long-creeping, covered by brown or reddish-brown scales. Stem trigonous and slightly scabrous...
Taxonomic remark Source in seed data: wcs Update namepublishedIn from in Wight, Contrib. 126. to Contr. Bot. India : 126 (1834),...
Description Perennial. c. 30 cm. Rhizome long-creeping, covered by brown or reddish-brown scales. Stem trigonous and slightly scabrous above, obtusely trigonous below. Leaves longer than stem; sheaths 35-50 mm, reddish-brown, finally disintegrating into fibres, margin of scarious side slightly concave; ligule c. 0.2 mm; blades 2.5-3.5 mm wide, flat, green or greyish green, margins revolute, margins and keel scabrous towards apex. Inflorescence of 1-2 male spikes, each with one basal utricle, and 3-4 female spikes. Bracts overtopping inflorescence, lowest with sheath up to 8 mm. Male spike 5-12 x 1-2 mm, fusiform, brown; male glumes 3-3.5 x 1-1.2 mm, ovate to obovate, acute or truncate, often with arista to 0.5 mm, brown, margins scarious. Female spikes 14-30 x 3-4 mm, cylindrical, green, lower with peduncle to 10 mm, erect; female glumes 2.7-3.1 x 0.8-1 mm, including up to 1.6 mm arista, ovate, cymbiform, acute or acuminate, brownish, scarious; utricles 3-3.7 x 1.1-1.4 mm, including up to 0.8 mm stipe, obovoid, suddenly contracted into beak, adpressed setaceous, green, beak 0.5-0.7 mm, cylindrical, upper part white or brownish, ostiole bidentate or oblique, with eroded, scarious margins. Stigmas 3. Nut 1.8-2.1 x 1-1.1 mm, including style base 0.3 mm and c. 0.3 mm stipe, ellipsoid or obovoid, trigonous, brown, reticulate with one conspicuous papilla in each areole. [details]
Taxonomic remark Source in seed data: wcs Update namepublishedIn from in Wight, Contrib. 126. to Contr. Bot. India : 126 (1834),...
Taxonomic remark Source in seed data: wcs Update namepublishedIn from in Wight, Contrib. 126. to Contr. Bot. India : 126 (1834), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Carex hymenolepis Nees. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1676451 on 2025-09-11
Date
action
by
2024-12-10 11:47:54Z
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db_admin
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Nomenclature
original description
Nees, C.G.D. (1834). Cyperaceae Indicae. <em>In Wight, R. (ed). Contributions to the Botany of India (Compositae, Asclepiadaceae and Cyperaceae).</em> No. III. Parburry, Allen & co., London.
page(s): 126 [details]
basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [details]
page(s): 126 [details]
basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [details]
Present Inaccurate Introduced: alien Containing type locality
Syntype NY 00011539, geounit Nepal [details]
From editor or global species database
Description Perennial. c. 30 cm. Rhizome long-creeping, covered by brown or reddish-brown scales. Stem trigonous and slightly scabrous above, obtusely trigonous below. Leaves longer than stem; sheaths 35-50 mm, reddish-brown, finally disintegrating into fibres, margin of scarious side slightly concave; ligule c. 0.2 mm; blades 2.5-3.5 mm wide, flat, green or greyish green, margins revolute, margins and keel scabrous towards apex. Inflorescence of 1-2 male spikes, each with one basal utricle, and 3-4 female spikes. Bracts overtopping inflorescence, lowest with sheath up to 8 mm. Male spike 5-12 x 1-2 mm, fusiform, brown; male glumes 3-3.5 x 1-1.2 mm, ovate to obovate, acute or truncate, often with arista to 0.5 mm, brown, margins scarious. Female spikes 14-30 x 3-4 mm, cylindrical, green, lower with peduncle to 10 mm, erect; female glumes 2.7-3.1 x 0.8-1 mm, including up to 1.6 mm arista, ovate, cymbiform, acute or acuminate, brownish, scarious; utricles 3-3.7 x 1.1-1.4 mm, including up to 0.8 mm stipe, obovoid, suddenly contracted into beak, adpressed setaceous, green, beak 0.5-0.7 mm, cylindrical, upper part white or brownish, ostiole bidentate or oblique, with eroded, scarious margins. Stigmas 3. Nut 1.8-2.1 x 1-1.1 mm, including style base 0.3 mm and c. 0.3 mm stipe, ellipsoid or obovoid, trigonous, brown, reticulate with one conspicuous papilla in each areole. [details]Taxonomic remark Source in seed data: wcs Update namepublishedIn from in Wight, Contrib. 126. to Contr. Bot. India : 126 (1834), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
To Biodiversity Heritage Library (2 publications)
To International Plant Names Index (IPNI)
To New York Botanical Garden Steere Herbarium (Carex_hymenolepis_NY11539_type_1)
To New York Botanical Garden Steere Herbarium (Carex_hymenolepis_NY11540_type_1)
To Plants of the World Online
To International Plant Names Index (IPNI)
To New York Botanical Garden Steere Herbarium (Carex_hymenolepis_NY11539_type_1)
To New York Botanical Garden Steere Herbarium (Carex_hymenolepis_NY11540_type_1)
To Plants of the World Online
From editor or global species database
Hosted externally
Hosted externally
